Don't know for sure that it will work for mice, but for squirrels I was told the best thing to do was to get a jar with a metal cap, punch holes in the metal cap. Fill the jar with cotton balls. The to the drug store or such and buy the strongest, sweetest, cheapest perfume you can find. Pour the perfume over the cotton balls and place the cap on the jar. Then place the jar where it is your having rodent problems.
It seems that the rodents have a real nasal problem with super strong sweet smells. I guess this could be why the peppermint oil works.
2013 Ford F350 FX4 4x4 PSD
2013 Wildcat 353LS
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